:root {
    --primary-hue: 250;
    --bg-primary: hsl(0, 0%, 100%);
    --bg-secondary: hsl(220, 20%, 98%);
    --bg-tertiary: hsl(220, 15%, 95%);
    --text-primary: hsl(220, 20%, 10%);
    --text-secondary: hsl(220, 10%, 40%);
    --text-tertiary: hsl(220, 10%, 60%);
    --accent-primary: hsl(var(--primary-hue), 85%, 60%);
    --accent-secondary: hsl(var(--primary-hue), 85%, 50%);
    --accent-gradient: linear-gradient(135deg, hsl(var(--primary-hue), 85%, 60%), hsl(calc(var(--primary-hue) + 30), 85%, 55%));
    --shadow-sm: 0 2px 8px hsla(220, 20%, 10%, 0.05);
    --shadow-md: 0 4px 16px hsla(220, 20%, 10%, 0.08);
    --shadow-lg: 0 8px 32px hsla(220, 20%, 10%, 0.12);
    --border-radius: 12px;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

[data-theme="dark"] {
    --bg-primary: hsl(220, 20%, 8%);
    --bg-secondary: hsl(220, 20%, 12%);
    --bg-tertiary: hsl(220, 20%, 16%);
    --text-primary: hsl(220, 20%, 95%);
    --text-secondary: hsl(220, 10%, 70%);
    --text-tertiary: hsl(220, 10%, 50%);
    --shadow-sm: 0 2px 8px hsla(0, 0%, 0%, 0.3);
    --shadow-md: 0 4px 16px hsla(0, 0%, 0%, 0.4);
    --shadow-lg: 0 8px 32px hsla(0, 0%, 0%, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-medium), color var(--transition-medium);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: hsla(0, 0%, 100%, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid hsla(220, 20%, 10%, 0.08);
    z-index: 1000;
    transition: background-color var(--transition-medium), border-color var(--transition-medium);
}

[data-theme="dark"] .navbar {
    background: hsla(220, 20%, 8%, 0.8);
    border-bottom-color: hsla(220, 20%, 95%, 0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 3px;
}

.logo:hover .logo-letter {
    transform: translateY(-5px);
    color: transparent;
    -webkit-text-stroke: 2px var(--accent-primary);
}

.logo:hover .logo-letter:nth-child(1) {
    transition-delay: 0s;
}

.logo:hover .logo-letter:nth-child(2) {
    transition-delay: 0.05s;
}

.logo:hover .logo-letter:nth-child(3) {
    transition-delay: 0.1s;
}

.logo:hover .logo-letter:nth-child(4) {
    transition-delay: 0.15s;
}

.logo-letter {
    font-family: 'Inter', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.logo-letter:first-child {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-letter:first-child:hover {
    -webkit-text-fill-color: transparent;
    -webkit-text-stroke: 2px var(--accent-primary);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--accent-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-medium);
}

.nav-link:hover::after {
    width: 100%;
}

.theme-toggle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--bg-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.toggle-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-gradient);
    position: relative;
    transition: transform var(--transition-medium);
}

[data-theme="dark"] .toggle-icon {
    transform: scale(0.6);
    box-shadow: inset 0 -4px 0 0 var(--bg-tertiary);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 150%;
    background: var(--accent-gradient);
    opacity: 0.05;
    border-radius: 50%;
    filter: blur(100px);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    50% {
        transform: translate(-20px, 20px) rotate(5deg);
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.greeting {
    display: block;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.name {
    display: block;
    font-size: 4rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero buttons container */
.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

/* Resume download button */
.resume-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--accent-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    border: 2px solid var(--accent-primary);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.resume-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
    z-index: -1;
}

.resume-button:hover::before {
    width: 100%;
}

.resume-button:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px hsla(var(--primary-hue), 85%, 50%, 0.3);
}

.resume-button svg {
    transition: transform 0.3s ease;
}

.resume-button:hover svg {
    transform: translateY(3px);
    animation: downloadBounce 0.6s ease infinite;
}

@keyframes downloadBounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(4px);
    }
}

/* Resume nav link style */
.resume-nav {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    position: relative;
}

.resume-nav::after {
    content: '↓';
    margin-left: 4px;
    -webkit-text-fill-color: var(--accent-primary);
    font-size: 0.8em;
}

/* Typing cursor for code window */
.typing-cursor {
    color: var(--accent-primary);
    font-weight: bold;
    animation: cursorBlink 1s step-end infinite;
}

@keyframes cursorBlink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

#typewriter-code {
    display: inline;
}

.code-content pre {
    margin: 0;
    white-space: pre-wrap;
}

.hero-visual {
    animation: slideInRight 0.8s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.code-window {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid hsla(220, 20%, 10%, 0.08);
}

[data-theme="dark"] .code-window {
    border-color: hsla(220, 20%, 95%, 0.08);
}

.window-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-tertiary);
}

.code-content {
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
}

.keyword {
    color: hsl(var(--primary-hue), 70%, 55%);
}

.variable {
    color: hsl(30, 80%, 55%);
}

.property {
    color: hsl(200, 70%, 55%);
}

.string {
    color: hsl(140, 60%, 50%);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-paragraph {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-terminal {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid hsla(220, 20%, 50%, 0.1);
}

.terminal-header {
    background: hsla(220, 20%, 20%, 0.5);
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red {
    background: #ff5f56;
}

.terminal-dot.yellow {
    background: #ffbd2e;
}

.terminal-dot.green {
    background: #27c93f;
}

.terminal-title {
    margin-left: 1rem;
    font-size: 0.85rem;
    color: #ffffff;
    font-family: 'Fira Code', monospace;
}

.terminal-body {
    padding: 1.5rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
}

.terminal-body pre {
    margin: 0;
}

.terminal-body code {
    color: var(--text-primary);
}

.code-keyword {
    color: #c792ea;
}

.code-class {
    color: #ffcb6b;
}

.code-this {
    color: #f07178;
}

.code-string {
    color: #c3e88d;
}

.code-function {
    color: #82aaff;
}

.skills {
    background: var(--bg-primary);
}

.skills-categories {

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.skill-category {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.category-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--bg-tertiary);
    text-align: center;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}

.skill-item {
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    color: white;
    transition: all var(--transition-fast);
    cursor: default;
}

.skill-item:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-md);
}

.skill-item.html {
    background: linear-gradient(135deg, #e34c26, #f06529);
}

.skill-item.css {
    background: linear-gradient(135deg, #264de4, #2965f1);
}

.skill-item.js {
    background: linear-gradient(135deg, #f7df1e, #e5c100);
    color: #323330;
}

.skill-item.react {
    background: linear-gradient(135deg, #61dafb, #00b4d6);
    color: #20232a;
}

.skill-item.python {
    background: linear-gradient(135deg, #3776ab, #4b8bbe);
}

.skill-item.java {
    background: linear-gradient(135deg, #007396, #5382a1);
}

.skill-item.cpp {
    background: linear-gradient(135deg, #00599c, #004482);
}

.skill-item.php {
    background: linear-gradient(135deg, #777bb4, #6761a8);
}

.skill-item.mysql {
    background: linear-gradient(135deg, #00758f, #4479a1);
}

.skill-item.mongo {
    background: linear-gradient(135deg, #4db33d, #3fa037);
}

.skill-item.git {
    background: linear-gradient(135deg, #f05032, #de4c36);
}

.skill-item.linux {
    background: linear-gradient(135deg, #fcc624, #e5b100);
    color: #333;
}

.certificates {
    background: var(--bg-secondary);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.certificate-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.certificate-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.certificate-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    color: var(--accent-primary);
    transition: all var(--transition-fast);
}

.certificate-card:hover .certificate-icon {
    background: var(--accent-gradient);
    color: white;
    transform: scale(1.1);
}

.certificate-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.certificate-issuer {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.certificate-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.certificate-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.experience {
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    border: 3px solid var(--bg-secondary);
    transform: translateX(-50%);
}

.timeline-content {
    background: var(--bg-primary);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-left: 1rem;
    transition: all var(--transition-medium);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.timeline-date {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--accent-gradient);
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.timeline-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.timeline-company {
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.timeline-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.timeline-tech span {
    padding: 0.3rem 0.8rem;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.education {
    background: var(--bg-primary);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.education-card {
    display: flex;
    gap: 1.5rem;
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.education-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.education-degree {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.education-field {
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.education-school {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.education-year {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--bg-primary);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    color: var(--accent-primary);
    transition: all var(--transition-fast);
}

.service-card:hover .service-icon {
    background: var(--accent-gradient);
    color: white;
    transform: scale(1.1);
}

.service-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    padding: 0.4rem 0.8rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.project-link:hover {
    background: var(--accent-primary);
    color: white;
}

.resume-section {
    background: var(--accent-gradient);
    color: white;
}

.resume-content {
    text-align: center;
}

.resume-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.resume-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2.5rem;
    background: white;
    color: hsl(var(--primary-hue), 85%, 50%);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-fast);
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.contact {
    background: var(--bg-primary);
}

.contact-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.contact-card {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: var(--accent-gradient);
    color: white;
}

.contact-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    color: var(--accent-primary);
    transition: all var(--transition-fast);
}

.contact-card:hover .contact-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.contact-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.contact-card:hover .contact-title {
    color: white;
}

.contact-detail {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.contact-card:hover .contact-detail {
    color: rgba(255, 255, 255, 0.9);
}

.certificates {
    background: var(--bg-primary);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.certificate-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.certificate-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.certificate-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    color: var(--accent-primary);
}

.certificate-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.certificate-issuer {
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.certificate-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.certificate-link {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.certificate-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-primary);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px hsla(var(--primary-hue), 85%, 60%, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2rem;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.social-icons-row {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-icon-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.social-icon-btn:hover {
    background: var(--accent-gradient);
    color: white;
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-md);
}

.contact-methods {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    flex-shrink: 0;
    color: var(--accent-primary);
}

.contact-card:hover .contact-icon {
    background: var(--accent-gradient);
    color: white;
}

.contact-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.contact-detail {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer {
    background: var(--bg-secondary);
    padding: 2rem;
    border-top: 1px solid hsla(220, 20%, 10%, 0.08);
}

[data-theme="dark"] .footer {
    border-top-color: hsla(220, 20%, 95%, 0.08);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-gradient);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .name {
        font-size: 3rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .skills-grid-modern {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .education-grid {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-methods {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .nav-menu {
        gap: 0.8rem;
        font-size: 0.9rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .name {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .nav-menu {
        display: none;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .certificates-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid-modern {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .skill-card-modern {
        padding: 2rem 1.5rem;
    }

    .skill-logo-modern {
        width: 60px;
        height: 60px;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .contact-methods {
        grid-template-columns: 1fr;
    }

    .terminal-body {
        font-size: 0.75rem;
        padding: 1rem;
    }

    .timeline-content {
        padding: 1rem 1.5rem;
    }

    .education-card {
        flex-direction: column;
        text-align: center;
    }

    .education-icon {
        margin: 0 auto;
    }
}

/* ============================================
   ANIMATIONS - Making the portfolio come alive!
   ============================================ */

/* Fade Up Animation */
.animate-fade-up {
    opacity: 0;
    transform: translateY(40px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}

.delay-5 {
    animation-delay: 0.5s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade Left Animation */
.animate-fade-left {
    opacity: 0;
    transform: translateX(60px);
    animation: fadeLeft 1s ease forwards;
    animation-delay: 0.3s;
}

@keyframes fadeLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Section Title Reveal Animation */
.reveal-text {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-text.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered card animations */
.animate-card {
    opacity: 0;
    transform: translateY(50px) scale(0.95);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Floating animation for elements */
.float-animation {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Pulse glow effect */
.pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 5px var(--accent-primary), 0 0 10px var(--accent-primary);
    }

    50% {
        box-shadow: 0 0 20px var(--accent-primary), 0 0 30px var(--accent-primary);
    }
}

/* Skill item hover effects */
.skill-item {
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.skill-item:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 30px hsla(var(--primary-hue), 85%, 50%, 0.2);
}

/* Project card 3D tilt effect */
.project-card {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
}

.project-card:hover {
    transform: translateY(-10px) rotateX(2deg);
    box-shadow: 0 25px 50px hsla(0, 0%, 0%, 0.15);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-image img {
    transition: transform 0.5s ease;
}

/* Certificate card shine effect */
.certificate-card {
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.1),
            transparent);
    transition: left 0.5s ease;
}

.certificate-card:hover::before {
    left: 100%;
}

.certificate-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px hsla(var(--primary-hue), 85%, 50%, 0.15);
}

/* Button ripple effect */
.cta-button {
    position: relative;
    overflow: hidden;
}

.cta-button::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, #fff 10%, transparent 10.01%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10, 10);
    opacity: 0;
    transition: transform 0.5s, opacity 0.5s;
}

.cta-button:active::after {
    transform: scale(0, 0);
    opacity: 0.3;
    transition: 0s;
}

/* Nav link underline animation */
.nav-link {
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav-link:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* Typing cursor effect for code blocks */
.code-content code::after,
.terminal-body code::after {
    content: '|';
    animation: blink 1s step-end infinite;
    color: var(--accent-primary);
    margin-left: 2px;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

/* Gradient border animation */
.gradient-border {
    position: relative;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: calc(var(--border-radius) + 2px);
    background: var(--accent-gradient);
    z-index: -1;
    animation: rotateBorder 3s linear infinite;
}

@keyframes rotateBorder {
    0% {
        filter: hue-rotate(0deg);
    }

    100% {
        filter: hue-rotate(360deg);
    }
}

/* Scroll indicator bounce */
.scroll-indicator {
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-20px);
    }

    60% {
        transform: translateY(-10px);
    }
}

/* Text gradient animation */
.animated-gradient-text {
    background: linear-gradient(90deg,
            hsl(var(--primary-hue), 85%, 60%),
            hsl(calc(var(--primary-hue) + 60), 85%, 55%),
            hsl(calc(var(--primary-hue) + 120), 85%, 60%),
            hsl(var(--primary-hue), 85%, 60%));
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientMove 4s ease infinite;
}

@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Skill card modern hover */
.skill-card-modern {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.skill-card-modern:hover {
    transform: translateY(-12px) scale(1.02);
}

.skill-card-modern:hover .skill-logo-modern {
    animation: wiggle 0.5s ease;
}

@keyframes wiggle {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-10deg);
    }

    75% {
        transform: rotate(10deg);
    }
}

/* Contact card hover */
.contact-method {
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateX(10px);
}

/* Parallax-like effect for sections */
.parallax-bg {
    transition: transform 0.5s ease-out;
}

/* Shake animation for icons */
@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-5px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(5px);
    }
}

.shake-hover:hover {
    animation: shake 0.5s ease;
}

/* Loading dots animation */
.loading-dots::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {

    0%,
    20% {
        content: '';
    }

    40% {
        content: '.';
    }

    60% {
        content: '..';
    }

    80%,
    100% {
        content: '...';
    }
}